CN109273146A - A kind of hollow copper magnet wire and its manufacturing method of painting - Google Patents
A kind of hollow copper magnet wire and its manufacturing method of painting Download PDFInfo
- Publication number
- CN109273146A CN109273146A CN201811202935.2A CN201811202935A CN109273146A CN 109273146 A CN109273146 A CN 109273146A CN 201811202935 A CN201811202935 A CN 201811202935A CN 109273146 A CN109273146 A CN 109273146A
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- Prior art keywords
- japanning
- magnet wire
- hollow copper
- brass pipe
- capillary brass
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0009—Details relating to the conductive cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
- H01B13/002—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment for heat extraction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/065—Insulating conductors with lacquers or enamels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0291—Disposition of insulation comprising two or more layers of insulation having different electrical properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Metal Extraction Processes (AREA)
- Insulated Conductors (AREA)
Abstract
A kind of hollow copper magnet wire and its manufacturing method of painting, belong to electrical equipment component technical field, the hollow copper magnet wire of the japanning, the priming coat set gradually from inside to outside including capillary brass pipe and capillary brass pipe surface, floating coat and external coating, priming coat is set as polyester-imide insulating lacquer layer, floating coat is set as polyamide-imide insulating varnish layer, external coating is set as lubricating layer, the manufacturing method of the hollow copper magnet wire of the japanning includes wire drawing, surface cleaning, japanning, it bakes, cooling treatment, take-up, the beneficial effects of the invention are as follows, the hollow copper magnet wire manufacturing process of the japanning is simple, it avoids to contact with other metals and generates galvanic interaction, avoid the influence of wet environment, but also the electromagnetic wire in replaceable high-frequency circuit, not only increase heat dissipation effect, and save material, keep its application field wider It is general.
Description
Technical field
The present invention relates to electrical equipment component technical field more particularly to a kind of hollow copper magnet wire of japanning and its manufactures
Method.
Background technique
Refrigerator, air-conditioning refrigeration system in, all using capillary brass pipe carry out flow restriction, due to throttling capillary brass pipe exist
It can be contacted with other aluminum pipes, metal parts etc. in operation, in wet environment, meeting between copper, aluminium or copper and other metals
Galvanic interaction is generated, so as to cause copper pipe surface corrosion, etch pit is there will be severe, the refrigerant of refrigeration system is caused to be let out
Dew prevents refrigerator, air-conditioning from working to will lead to refrigeration system failure.And this capillary brass pipe is generally useful in refrigeration
In system, application is relatively simple, and is not promoted then in other fields.
Summary of the invention
It is main in order to solve the above-mentioned technical problems, the present invention provides a kind of hollow copper magnet wire of japanning and its manufacturing method
It solves the hollow copper magnet wire of existing refrigeration system japanning to be easy to generate original with other metal parts in a humidity environment
Cell reaction, and the problem of make secondary refrigerant leakage, refrigeration system is made to fail, further solve the existing hollow copper magnet wire of japanning
The single problem of purposes, it is therefore intended that, it can avoid contacting production with other metals by designing a kind of hollow copper magnet wire of japanning
Raw galvanic interaction, avoids the influence of wet environment, and the electricity in this also replaceable high-frequency circuit of hollow copper magnet wire of painting
Magnet-wire not only increases heat dissipation effect, and saves material, keeps its application field more extensive.
To achieve the above object, the technical solution adopted by the present invention to solve the technical problems is: the japanning hollow copper
Electromagnetic wire, including priming coat, floating coat and external coating that capillary brass pipe and capillary brass pipe surface are set gradually from inside to outside, institute
It states priming coat and is set as polyester-imide insulating lacquer layer, the floating coat is set as polyamide-imide insulating varnish layer, the outer painting
Layer is set as lubricating layer.
Further, the wall thickness of the capillary brass pipe is set as 0.55~0.65mm, and the thickness of the priming coat is set as
The thickness of 0.060~0.070mm, the floating coat are set as 0.010~0.020mm.
Further, the lubricating layer is coated by paraffin wax lubricants.
A kind of manufacturing method for hollow copper magnet wire of painting, it is characterised in that: the following steps are included:
1) use wire-drawing equipment by copper pipe wire drawing at the capillary brass pipe of required specification；
2) capillary brass pipe is introduced into heat-treatment furnace after unwrapping wire, cleaning treatment and is dried, made annealing treatment；
3) the capillary brass pipe surface after annealing painted, baked and cooling treatment, until coating thickness and performance reach
To defined requirement；
4) lubriation material is coated outside the capillary brass pipe after japanning, baking and cooling treatment form the hollow metal
Pipe, it is then that the hollow metal tube is smooth in an orderly manner on plastic winding reel.
Further, in the step 1), the wire-drawing equipment that is used in drawing process for big drawing machine, middle machine drawing, small machine drawing,
Thin machine drawing and micro- machine drawing, and copper pipe is made annealing treatment in drawing process by multiple, so that copper pipe is become soft state.
Further, the specific operation process of the step 3) is, using the capillary brass pipe table of coating apparatus after annealing
Face applies multiple tracks polyester-imide insulated paint and forms priming coat, and applies multiple tracks polyamide-imide insulating varnish and form floating coat, every to apply one
Road paint bakes once and then cooling treatment is primary, until coating thickness and performance reach defined requirement.
Further, in the step 2), it is 190 that capillary brass pipe, which is introduced into the temperature made annealing treatment in heat-treatment furnace,
DEG C~210 DEG C.
Further, the temperature setting that cooling treatment is carried out in the step 3) is 0 DEG C~60 DEG C, is coated with primary coat at this time
The hard state of the capillary brass pipe (1) of layer (2) and floating coat (3) is half-hard state, and elongation is 3%~15%.
Further, in the step 2), capillary brass pipe (1) is introduced into the temperature made annealing treatment in heat-treatment furnace and is
560~600 DEG C.
Further, the temperature setting that cooling treatment is carried out in the step 3) is 0~60 DEG C, is coated with priming coat at this time
(2) and the capillary brass pipe (1) of floating coat (3) is soft state, elongation 25%.
The beneficial effects of the present invention are:
1, the hollow copper magnet wire of japanning in the present invention is a kind of capillary of novel exterior insulation, capillary brass pipe surface
It is disposed with priming coat, floating coat and external coating from inside to outside, priming coat is set as polyester-imide insulating lacquer layer, and floating coat is set
It is set to polyamide-imide insulating varnish layer, external coating is set as lubricating layer, not only realizes the copper material inside effectively isolation
Expect the contact with other metal materials, avoiding the burn into due to caused by galvanic interaction lets out the refrigerant in refrigeration system
The case where leakage, and the hollow copper magnet wire of the japanning due to using polyester-imide insulating lacquer layer as priming coat, using polyamide
Acid imide insulating lacquer layer is floating coat, realizes high pressure resistant, heat resistance performance, and is hollow structure, can be in high-frequency circuit
It is middle that solid conductor is replaced using the capillary, it can be applicable in the machine winding of high-frequency electric machines, not only increase heat dissipation effect, and
And material is saved, alleviate weight.
2, in the manufacturing method of the hollow copper magnet wire of the japanning, by changing the temperature of annealing and cooling treatment, just
Make the capillary meet in refrigeration industry or in high-frequency electric machines industry electromagnetic wire performance requirement, keep its application more extensive, into one
Step reduces manufacturing cost；When carrying out painting operations to capillary brass pipe, using the capillary brass pipe table of coating apparatus after annealing
Face applies multiple tracks polyester-imide insulated paint and forms priming coat, and applies multiple tracks polyamide-imide insulating varnish and form floating coat, every to apply one
It is primary that road paint bakes primary then cooling treatment, and japanning, which is baked, can have that the device space is small, technique is simple with furnace equality of temperature operation
Single, energy-saving advantage, and this painting operations keep the adhesion of capillary brass pipe surface insulation layer more preferable, and surface quality is more
It is good.
To sum up, the hollow copper magnet wire manufacturing process of the japanning is simple, avoids that contact generation primary battery with other metals anti-
It answers, avoids the influence of wet environment, but also the electromagnetic wire in replaceable high-frequency circuit, not only increase heat dissipation effect, and
And material is saved, keep its application field more extensive.
Detailed description of the invention
Below to each width attached drawing of description of the invention expression content and figure in label be briefly described:
Fig. 1 is the structural schematic diagram of hollow copper magnet wire of painting；
Label in above-mentioned figure is equal are as follows: 1. capillary brass pipes, 2. priming coats, 3. floating coats, 4. external coatings.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in embodiment is clearly and completely described, the following examples are intended to illustrate the invention, but
It is not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that term " on ", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Specific embodiment of the present invention are as follows: as shown in Figure 1, a kind of hollow copper magnet wire of japanning, including capillary brass pipe 1 with
And priming coat 2, floating coat 3 and external coating 4 that 1 surface of capillary brass pipe is set gradually from inside to outside, priming coat 2 are set as polyester Asia
Amine insulating lacquer layer, floating coat 3 are set as polyamide-imide insulating varnish layer, and external coating 4 is set as lubricating layer, not only realizes
Contact of the copper product with other metal materials inside effective isolation, avoids the burn into due to caused by galvanic interaction
The case where making the coolant leakage in refrigeration system, and the hollow copper magnet wire of the japanning using polyester-imide insulating lacquer layer due to being made
It for priming coat 2, uses polyamide-imide insulating varnish layer for floating coat 3, realizes high pressure resistant, heat resistance performance, Er Qiewei
Hollow structure can replace solid conductor using the capillary in high-frequency circuit, can be applicable in the machine winding of high-frequency electric machines,
Heat dissipation effect is not only increased, and saves material, alleviates weight.
Optimally, capillary brass pipe 1 is set as TP2 phosphorized copper capillary.TP2 phosphorized copper welding performance and cold-bending property
It is good, it is general without " hydrogen disease " tendency, it can process, use in reducing atmosphere, avoid the rupture of copper.
Specifically, the wall thickness of the capillary brass pipe 1 is set as 0.55~0.65mm, and the thickness of the priming coat 2 is set as
The thickness of 0.060~0.070mm, the floating coat 3 are set as 0.010~0.020mm.Because japanning production process belongs to continuously
Property, long length operation mode, it is desirable that the outer dimension of capillary brass pipe is consistent, and size fluctuation must not exceed 0.005mm between batch.Bottom
The thickness of coating 2 is greater than the thickness of floating coat 3, and mainly priming paint guarantees that good adhesive force (refers to that paint film and copper material surface are close
Binding force is strong)；Floating coat 3 is primarily to the surface for improving product is smooth.
Specifically, lubricating layer is coated by paraffin wax lubricants, further protects the surface of floating coat 3, is improved
The hardness and strength of the capillary.
Manufacture is applied to the manufacturing method of the hollow copper magnet wire of japanning of refrigeration industry, comprising the following steps:
1) use wire-drawing equipment by copper pipe wire drawing at the capillary brass pipe 1 of required specification.Specifically, can be used big drawing machine, in
Machine drawing, small machine drawing, thin machine drawing and micro- machine drawing carry out wire-drawing operation, and copper pipe is passed through at multiple annealing in drawing process
Reason, makes copper pipe become soft state, is convenient for take-up.
2) capillary brass pipe 1 is introduced into heat-treatment furnace after unwrapping wire, cleaning treatment and is dried, made annealing treatment.Specifically
Ground, capillary brass pipe 1 carry out cleaning treatment with ultrasonic cleaning equipment, which includes water pump, ultrasonic wave vibration
Plate, cleaning water tank and settling tank, the setting of ultrasonic wave vibration plate is in cleaning water tank, and cleaning water tank is built in settling tank, water
Pump is interlinked settling tank and cleaning water tank by pipeline, when carrying out cleaning, is cleaned in water tank and is filled water, sinks simultaneously
It is also injected into suitable water in the water tank of shallow lake, makes capillary brass pipe 1 by directive wheel and deflecting wheel unwrapping wire, passes through cleaning water tank, then make
Ultrasonic wave vibration plate and water pump work at the same time, and the impurity such as copper powder in capillary brass pipe 1 fall to cleaning by the vibration of ultrasonic wave vibration plate
In water tank, while the water in settling tank is pumped into cleaning water tank by water pump, is overflowed the water cleaned in water tank, is driven its surface
The impurity such as copper powder enter precipitating in settling tank, then complete wash cycles work；While cleaning, 1 quilt of capillary brass pipe
It is introduced into heat-treatment furnace and is made annealing treatment, annealing temperature is set as 190 DEG C~210 DEG C.
3) 1 surface of capillary brass pipe after annealing painted, baked and cooling treatment, until coating thickness and performance reach
To defined requirement.Specifically, multiple tracks is applied using 1 surface of capillary brass pipe of coating apparatus (painting by felt) after annealing to gather
Ester imines insulated paint forms priming coat 2, and applies multiple tracks polyamide-imide insulating varnish and form floating coat 3, and every painting one coat bakes
Primary then cooling treatment is primary, and the temperature setting for carrying out cooling treatment is 0 DEG C~60 DEG C, is coated with priming coat 2 at this time in
The hard state of the capillary brass pipe 1 of coating 3 is half-hard state, and elongation is 3%~15%, tensile strength >=360N/mm2。
4) lubriation material is coated outside the capillary brass pipe 1 after japanning, baking and cooling treatment forms japanning hollow copper
Electromagnetic wire, the hollow copper magnet wire that then will paint are smooth in an orderly manner on plastic winding reel.
Manufacture is applied to the manufacturing method of electromagnetic wire in high-frequency electric machines industry, the hollow copper magnet wire of japanning with refrigeration industry
Manufacturing method the difference lies in that in step 2), capillary brass pipe 1, which is introduced into heat-treatment furnace, to be made annealing treatment, annealing
Temperature setting is 560~600 DEG C；In step 3), using 1 table of capillary brass pipe of coating apparatus (passing through mold painting) after annealing
Face applies multiple tracks polyester-imide insulated paint and forms priming coat 2, and applies multiple tracks polyamide-imide insulating varnish and form floating coat 3, every painting
One coat bakes once and then cooling treatment is primary, and the temperature setting for carrying out cooling treatment is 0~60 DEG C, is coated with primary coat at this time
The state of the capillary brass pipe 1 of layer 2 and floating coat 3 is soft state, elongation 25%, tensile strength≤260N/mm2。
To sum up, the hollow copper magnet wire manufacturing process of the japanning is simple, avoids that contact generation primary battery with other metals anti-
It answers, avoids the influence of wet environment, but also the electromagnetic wire in replaceable high-frequency circuit, not only increase heat dissipation effect, and
And material is saved, keep its application field more extensive.
The above, only explain through diagrams some principles of the invention, and this specification is not intended to limit to the present invention
In the shown specific structure and the scope of application, therefore all corresponding modifications that may be utilized and equivalent,
Belong to the applied the scope of the patents of the present invention.
Claims (10)
1. a kind of hollow copper magnet wire of japanning, which is characterized in that including capillary brass pipe (1) and capillary brass pipe (1) surface by interior
Priming coat (2), floating coat (3) and the external coating (4) set gradually outward, the priming coat (2) are set as polyester-imide insulation
Paint layer, the floating coat (3) are set as polyamide-imide insulating varnish layer, and the external coating (4) is set as lubricating layer.
2. the hollow copper magnet wire of japanning according to claim 1, it is characterised in that: the wall thickness of the capillary brass pipe (1) is set
It is set to 0.55~0.65mm, the thickness of the priming coat (2) is set as 0.060~0.070mm, the thickness of the floating coat (3)
It is set as 0.010~0.020mm.
3. the hollow copper magnet wire of japanning according to claim 2, it is characterised in that: the lubricating layer is lubricated by paraffin
Agent coats.
4. a kind of manufacturing method of the hollow copper magnet wire of japanning as described in claims 1 to 3 any one, it is characterised in that:
The following steps are included:
1) use wire-drawing equipment by copper pipe wire drawing at the capillary brass pipe (1) of required specification；
2) capillary brass pipe (1) is introduced into heat-treatment furnace after unwrapping wire, cleaning treatment and is dried, made annealing treatment；
3) capillary brass pipe (1) surface after annealing painted, baked and cooling treatment, until coating thickness and performance reach
Defined requirement；
4) the capillary brass pipe (1) after japanning, baking and cooling treatment coat outside lubriation material formed it is described japanning it is hollow
Copper magnet wire, it is then that the hollow copper magnet wire of the japanning is smooth in an orderly manner on plastic winding reel.
5. the manufacturing method of the hollow copper magnet wire of japanning according to claim 4, it is characterised in that: in the step 1),
The wire-drawing equipment used in drawing process is drawing copper pipe for big drawing machine, middle machine drawing, small machine drawing, thin machine drawing and micro- machine drawing
By repeatedly annealing during silk, copper pipe is made to become soft state.
6. the manufacturing method of the hollow copper magnet wire of japanning according to claim 4, it is characterised in that: the tool of the step 3)
Body operating process is to apply multiple tracks polyester-imide insulated paint using capillary brass pipe (1) surface of coating apparatus after annealing and form bottom
Coating (2), and apply multiple tracks polyamide-imide insulating varnish and form floating coat (3), every painting one coat bakes at primary and then cooling
Reason is primary, until coating thickness and performance reach defined requirement.
7. the manufacturing method of the hollow copper magnet wire of japanning according to claim 6, it is characterised in that: in the step 2),
It is 190 DEG C~210 DEG C that capillary brass pipe (1), which is introduced into the temperature made annealing treatment in heat-treatment furnace,.
8. the manufacturing method of the hollow copper magnet wire of japanning according to claim 7, it is characterised in that: in the step 3) into
The temperature setting of row cooling treatment is 0 DEG C~60 DEG C, is coated with the capillary brass pipe (1) of priming coat (2) and floating coat (3) at this time
Hard state is half-hard state, and elongation is 3%~15%.
9. the manufacturing method of the hollow copper magnet wire of japanning according to claim 6, it is characterised in that: in the step 2),
It is 560~600 DEG C that capillary brass pipe (1), which is introduced into the temperature made annealing treatment in heat-treatment furnace,.
10. the manufacturing method of the hollow copper magnet wire of japanning according to claim 9, it is characterised in that: in the step 3)
The temperature setting for carrying out cooling treatment is 0~60 DEG C, is coated with the capillary brass pipe (1) of priming coat (2) and floating coat (3) at this time
For soft state, elongation 25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811202935.2A CN109273146A (en) | 2018-10-16 | 2018-10-16 | A kind of hollow copper magnet wire and its manufacturing method of painting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811202935.2A CN109273146A (en) | 2018-10-16 | 2018-10-16 | A kind of hollow copper magnet wire and its manufacturing method of painting |
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| Publication Number | Publication Date |
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| CN109273146A true CN109273146A (en) | 2019-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811202935.2A Pending CN109273146A (en) | 2018-10-16 | 2018-10-16 | A kind of hollow copper magnet wire and its manufacturing method of painting |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113096932A (en) * | 2021-04-02 | 2021-07-09 | 沈阳宏远电磁线股份有限公司 | Self-cooling hollow electromagnetic wire and preparation method thereof |
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| CN202512932U (en) * | 2011-12-27 | 2012-10-31 | 合肥星辰电线电缆股份有限公司 | Double-lubricating layer enamelled wire |
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| CN106641485A (en) * | 2016-12-16 | 2017-05-10 | 上海裕生特种线材有限公司 | Special capillary tube for refrigerating equipment and manufacturing method of special capillary tube |
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2018
- 2018-10-16 CN CN201811202935.2A patent/CN109273146A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246763A (en) * | 2007-05-18 | 2008-08-20 | 诸暨市露笑电磁线有限公司 | Heat bonding compound lacquered copper wire |
| CN101785070A (en) * | 2008-04-03 | 2010-07-21 | 住友电工运泰克株式会社 | Insulated wire, coil using the same, and motor |
| CN101667477A (en) * | 2009-09-24 | 2010-03-10 | 无锡巨丰复合线有限公司 | Production technology of compound enamelled round aluminium wire with high heat resistance |
| CN202512932U (en) * | 2011-12-27 | 2012-10-31 | 合肥星辰电线电缆股份有限公司 | Double-lubricating layer enamelled wire |
| CN202648265U (en) * | 2012-03-28 | 2013-01-02 | 海尔集团公司 | Aluminum air-returning tube and capillary tube composite structure and refrigerating system and air conditioner with the same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113096932A (en) * | 2021-04-02 | 2021-07-09 | 沈阳宏远电磁线股份有限公司 | Self-cooling hollow electromagnetic wire and preparation method thereof |
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Application publication date: 20190125 |